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OpenStudy (anonymous):
a^2+4ab-45b^2 factor please!
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OpenStudy (luffingsails):
As before, it will help to note: 9*(-5) = -45. Try using them as the factors.
OpenStudy (anonymous):
but -45 is squared
OpenStudy (luffingsails):
No, the b is squared. The 45 is just a constant multiplied by b^2
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